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86925421 = 1131325247
BaseRepresentation
bin1010010111001…
…10000001101101
320001120021021001
411023212001231
5134223103141
612343040301
72103565612
oct513460155
9201507231
1086925421
11450813a0
1225140091
131501667b
14b78a509
157970a31
hex52e606d

86925421 has 8 divisors (see below), whose sum is σ = 95134464. Its totient is φ = 78767520.

The previous prime is 86925343. The next prime is 86925473. The reversal of 86925421 is 12452968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86925421 - 29 = 86924909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86925481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9181 + ... + 16066.

It is an arithmetic number, because the mean of its divisors is an integer number (11891808).

Almost surely, 286925421 is an apocalyptic number.

It is an amenable number.

86925421 is a deficient number, since it is larger than the sum of its proper divisors (8209043).

86925421 is a wasteful number, since it uses less digits than its factorization.

86925421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25571.

The product of its digits is 34560, while the sum is 37.

The square root of 86925421 is about 9323.3803419146. The cubic root of 86925421 is about 442.9781117582.

The spelling of 86925421 in words is "eighty-six million, nine hundred twenty-five thousand, four hundred twenty-one".

Divisors: 1 11 313 3443 25247 277717 7902311 86925421